Subject:SYNTHETIC MOTOR OIL Date:Mon Aug 14 00:07:50 2017
I have used SAE 30 weight oil in my Hummers since I was 14 years old. Lately I have been told that it is a good idea to switch to synthetic.
Anybody got an opinion?
What brand & grade?
What ratio 50:1 ?
What octane gas ?
I've been using Aviation gas for the past 10 years, but recently, when I went to my local airport, I was told I had to have proof of registration for an air boat or some other off road vehicle, NO not a motorcycle. Wawa stations sell non O'Bamaa fuel but the life expectancy is not good. The Aviation fuel will last for 2 year.
Thanks in advance for your help.

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